In a murky river of South Africa, a “large”-headed creature swam through the water — or tried to — but something pulled it toward the surface. Unbeknownst to the scientists, they’d just ...

Native to the Gila River basin, the loach minnow and spikedace are adapted to the beautiful yet vulnerable ecology of southwestern desert rivers. These rare, pint-sized fish are just two of many river ...

Australia’s Environment Protection and Biodiversity Conservation Act 1999 (EPBC Act) threatened species list was updated on ...

Nearshore wetland areas contain the greatest fish diversity, where many lesser-known species survive: for example, many minnow species (including the state endangered pugnose minnow), darters, ...

this minnow outlasts more specialized strains. Asexual animals arose from diversified sexually reproducing ancestors. Often they are hybrids between two different species, and may possess two ...

The Santa Ana speckled dace is a small minnow species that lives in the Santa Ana, San Jacinto, San Gabriel and Los Angeles river systems. Speckled dace have been eliminated from three-quarters of ...